Humans need butterflies! Often unnoticed, they play an important role in maintaining the balance of nature and health of the living world. Butterflies pollinate wild plants and our crops, ensuring the production of seeds and fruits required for the continued survival of plants and animals, including humans. Due to their fragility to ecological change, butterflies are elegant indicators of ecosystem health.The Hanging Butterfly House can be hung from a tree or hook above your tallest flowering bushes. It features a dramatic overhanging roof and etched glass side panels for easy viewing. The top lifts off for easy cleaning. 21-inches tall x 9-inch diameter.